1 files changed, 91 insertions, 0 deletions
diff --git a/docker/dedicated-server/entrypoint.sh b/docker/dedicated-server/entrypoint.sh
new file mode 100644
index 00000000..a8f8907a
--- /dev/null
+++ b/docker/dedicated-server/entrypoint.sh
@@ -0,0 +1,91 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SERVER_DIR="/srv/mc"
+SERVER_EXE="Minecraft.Server.exe"
+# ip & port are fixed since they run inside the container
+SERVER_PORT="25565"
+SERVER_BIND_IP="0.0.0.0"
+
+PERSIST_DIR="/srv/persist"
+WINE_CMD=""
+
+ensure_persist_file() {
+  local persist_path="$1"
+  local runtime_path="$2"
+  local default_text="$3"
+
+  if [ ! -f "${persist_path}" ]; then
+    if [ -f "${runtime_path}" ] && [ ! -L "${runtime_path}" ]; then
+      cp -f "${runtime_path}" "${persist_path}"
+    else
+      printf '%b' "${default_text}" > "${persist_path}"
+    fi
+  fi
+
+  if [ -e "${runtime_path}" ] && [ ! -L "${runtime_path}" ]; then
+    rm -f "${runtime_path}"
+  fi
+
+  ln -sfn "${persist_path}" "${runtime_path}"
+}
+
+if [ ! -d "$SERVER_DIR" ]; then
+  echo "[error] Server directory not found: $SERVER_DIR" >&2
+  exit 1
+fi
+
+cd "$SERVER_DIR"
+
+if [ ! -f "$SERVER_EXE" ]; then
+  echo "[error] ${SERVER_EXE} not found in ${SERVER_DIR}" >&2
+  echo "[hint] Rebuild image with a valid MC_RUNTIME_DIR build arg that contains dedicated server runtime files." >&2
+  exit 1
+fi
+
+mkdir -p "${PERSIST_DIR}"
+
+# created because it is not implemented on the server side
+mkdir -p "${PERSIST_DIR}/GameHDD"
+
+ensure_persist_file "${PERSIST_DIR}/server.properties" "server.properties" ""
+ensure_persist_file "${PERSIST_DIR}/banned-players.json" "banned-players.json" "[]\n"
+ensure_persist_file "${PERSIST_DIR}/banned-ips.json" "banned-ips.json" "[]\n"
+
+# differs from the structure, but it’s reorganized into a more manageable structure to the host side
+if [ -e "Windows64/GameHDD" ] && [ ! -L "Windows64/GameHDD" ]; then
+  rm -rf "Windows64/GameHDD"
+fi
+ln -sfn "${PERSIST_DIR}/GameHDD" "Windows64/GameHDD"
+
+# for compatibility with other images
+if command -v wine64 >/dev/null 2>&1; then
+  WINE_CMD="wine64"
+elif [ -x "/usr/lib/wine/wine64" ]; then
+  WINE_CMD="/usr/lib/wine/wine64"
+elif command -v wine >/dev/null 2>&1; then
+  WINE_CMD="wine"
+else
+  echo "[error] No Wine executable found (wine64/wine)." >&2
+  exit 1
+fi
+
+if [ ! -d "${WINEPREFIX}" ] || [ -z "$(ls -A "${WINEPREFIX}" 2>/dev/null)" ]; then
+  mkdir -p "${WINEPREFIX}"
+fi
+
+# in the current implementation, a virtual screen is required because the client-side logic is being called for compatibility
+if [ -z "${DISPLAY:-}" ]; then
+  export DISPLAY="${XVFB_DISPLAY:-:99}"
+  XVFB_SCREEN="${XVFB_SCREEN:-64x64x16}"
+  Xvfb "${DISPLAY}" -nolisten tcp -screen 0 "${XVFB_SCREEN}" >/tmp/xvfb.log 2>&1 &
+  sleep 0.2
+fi
+
+args=(
+  -port "${SERVER_PORT}"
+  -bind "${SERVER_BIND_IP}"
+)
+
+echo "[info] Starting ${SERVER_EXE} on ${SERVER_BIND_IP}:${SERVER_PORT}"
+exec "${WINE_CMD}" "${SERVER_EXE}" "${args[@]}"